Helicone
AI Gateway & LLM Observability
Helicone is an LLMOps platform for logging, monitoring, and debugging AI applications. It provides request routing and observability for AI apps, helping teams understand how their applications perform and where problems occur.
Helicone's capabilities include request logging, sessions, user analytics, custom properties, and HQL (Query Language) for querying data. It offers alerts, reports, prompts, datasets, a playground, webhooks, caching, rate limits, and automatic fallbacks. Helicone integrates with providers including OpenAI, Anthropic, Azure, LiteLLM, Anyscale, Together AI, and OpenRouter, and is described as open-source with a one-line integration.
Helicone is packaged across Hobby (free), Pro, Team, and Enterprise plans. The free plan includes a limited number of requests, storage, and one seat. Paid plans are usage-based, with Pro and Team offering unlimited seats, alerts, reports, and HQL, and Team adding multiple organizations and SOC-2 and HIPAA compliance. Enterprise includes custom MSAs, SAML SSO, on-prem deployment, and bulk cloud discounts. A 7-day free trial is available for Pro and Team.
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